Discontinued, no longer available.

Old style Peachtree or SNE
Two barbs spaced at 7/8 inch designed to fit into kerfs
Snap on
Has two bulbs that protrude 7/16 inch
35-3/4 inch length
Replace with 840025

Resources:
Video: How to Replace Snap-In Door Bottoms
Guide to Replacing Door Sweeps/Bottoms
Video: How to Replace Door Sweeps